Table 4.
Multivariable Linear Regression Analysis Predicting PICU LOS
| Predictor Variable | Relative Number of PICU Days (95% CI) | p Value |
|---|---|---|
| Ever Delirious | ||
| No | Reference | |
| Yes | 1.59 (1.25 – 2.02) | <0.001 |
|
| ||
| Ever Mechanically Ventilated | ||
| No | Reference | <0.001 |
| Yes | 1.63 (1.28 – 2.07) | |
|
| ||
| Cyanotic Heart Disease | ||
| No | Reference | |
| Yes | 1.34 (1.07 – 1.68) | 0.010 |
|
| ||
| RACHS-1 Scorea | ||
| 1,2 | Reference | |
| 3,4 | 1.33 (1.05 – 1.68) | 0.018 |
|
| ||
| Age Category (yr) | ||
| 0–2 | Reference | |
| 3–5 | 0.84 (0.64 – 1.10) | 0.197 |
| 6–13 | 0.95 (0.70 – 1.31) | 0.774 |
| >13 | 0.84 (0.60 – 1.19) | 0.323 |
|
| ||
| Baseline Albumin | ||
| ≤3 mg/dl | Reference | |
| >3 mg/dl | 0.72 (0.49 – 1.04) | 0.085 |
|
| ||
| Developmental delay | ||
| No delay | Reference | |
| Delay | 0.86 (0.65 – 1.15) | 0.308 |
Results are from a multivariable linear regression with natural log-transformed number of PCICU days as outcome. Ratios >1.0 for relative number of PICU days and respective 95% confidence intervals indicate increased number of days over reference group.
a
RACHS-1 score = Risk Adjustment for Congenital Heart Surgery score, see text and reference for explanation of score (17)